Home / 153,112.55-211,297.76-84,204.73

Finding the Fourth Proportional to 153,112.55, 211,297.76 and 84,204.73

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Solution

The fourth proportional to 153,112.55, 211,297.76 and 84,204.73 is: 116,203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,112.55 : 211,297.76 = 84,204.73 : x
  2. Step 2: Convert to fraction form
    153,112.55/211,297.76 = 84,204.73/x
  3. Step 3: Cross multiply
    153,112.55x = 211,297.76 × 84,204.73
  4. Step 4: Simplify right side
    153,112.55x = 17,792,270,989.27
  5. Step 5: Solve for x
    x = 17,792,270,989.27/153,112.55
  6. Step 6: Final answer
    x = 116,203.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.